Source: Gathered from many sources, including old usenet posts in the 90's.
Files: *
-Copyright: 1996-2009 Joey Hess <joey@kitenet.net>
+Copyright: 1996-2009 Joey Hess <id@joeyh.name>
License: GPL-2+
The full text of the GPL is distributed as GPL in filters's source,
and is distributed in /usr/share/common-licenses/GPL-2 on Debian systems.